As mentioned in the below links to contact Salesforce Support , but we couldnt contact them as since we have a standard support contract and they support Apex issues only on premium support contract:
Also I tried to implement the workaround suggested as in the below link but that gave me errors related to other classes so was unable to deploy it :
So as a Temporary fix though its not recommended to Abort the Holding jobs we are aborting it for the users to carry on with their activities.
Hence if anyone have had the same situation kindly help me...! Thanks in Advance...!